Home / 57,704.16-86,556.24-31,460.16

Finding the Fourth Proportional to 57,704.16, 86,556.24 and 31,460.16

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Solution

The fourth proportional to 57,704.16, 86,556.24 and 31,460.16 is: 47,190.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,704.16 : 86,556.24 = 31,460.16 : x
  2. Step 2: Convert to fraction form
    57,704.16/86,556.24 = 31,460.16/x
  3. Step 3: Cross multiply
    57,704.16x = 86,556.24 × 31,460.16
  4. Step 4: Simplify right side
    57,704.16x = 2,723,073,159.40
  5. Step 5: Solve for x
    x = 2,723,073,159.40/57,704.16
  6. Step 6: Final answer
    x = 47,190.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.